LOS ANGELES (AP) — The long investigation into the death of “Friends” star Matthew Perry has led to a sweeping indictment that pulled in five people who prosecutors say contributed to his ketamine overdose. Prosecutors say they include a doctor and a street dealer who both gave Perry large amounts of the powerful anesthetic. Perry’s assistant and an acquaintance of the actor have already pleaded guilty to helping him get ketmaine Prosecutors say Perry turned to Dr. Salvador Plasencia to give him more ketamine than his regular doctors would allow and turned to a woman they say call a major street dealer, Jasveen Sangha, to get even more. Both pleaded not guilty Thursday.